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Apparatus and method for transmitting uplink signals in wireless communication system

a wireless communication system and wireless communication technology, applied in the direction of digital transmission, signal allocation, machine-to-machine/machine-type communication service, etc., can solve the problems of increasing propagation loss (path loss), reducing coverage, and difficult for existing lte operators to place new radio (nr) base stations at the same locations as those of existing lte base stations, so as to achieve the effect of improving transmission and reception efficiency and achieving access

Active Publication Date: 2021-12-14
SAMSUNG ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present disclosure is related to a wireless communication system with multiple uplinks. It describes a method for efficiently performing initial random access channel (RACH) access and achieving successful access. The invention also enables efficient performance of initial and subsequent RACH accesses for each uplink transmission capability of the terminal. By linking indication information transmitted at multiple time points, the invention improves transmission and reception efficiency and enhances overall performance of the wireless communication system.

Problems solved by technology

However, in the high frequency band, the coverage thereof is reduced because, in the high frequency band, a propagation loss (path loss) is increased due to channel characteristics.
The disadvantage is a kind of constraint that makes it difficult for existing LTE operators to place new radio (NR) base stations at the same locations as those of existing LTE base stations.

Method used

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  • Apparatus and method for transmitting uplink signals in wireless communication system
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  • Apparatus and method for transmitting uplink signals in wireless communication system

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Embodiment Construction

[0037]FIGS. 1 through 17, discussed below, and the various embodiments used to describe the principles of the present disclosure in this patent document are by way of illustration only and should not be construed in any way to limit the scope of the disclosure. Those skilled in the art will understand that the principles of the present disclosure may be implemented in any suitably arranged system or device.

[0038]Hereafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. When it is decided that a detailed description for the known function or configuration related to the present disclosure may obscure the gist of the present disclosure, the detailed description therefor will be omitted. Further, the following terminologies are defined in consideration of the functions in the present disclosure and may be construed in different ways by the intention or practice of users and operators. Therefore, the definitions thereof sho...

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Abstract

A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for internet of things (IoT) includes intelligent services based on the 5G communication technology and the IoT-related technology. A method by a terminal for transmitting uplink data in a wireless communication system comprises receiving downlink control information for scheduling of uplink transmission in a cell from a base station and transmitting the uplink data to the base station on the supplementary uplink if the indicator indicates the scheduling of the uplink transmission is associated with the supplementary uplink in the cell. The downlink control information includes an indicator indicating whether the scheduling of the uplink transmission is associated with a supplementary uplink in the cell.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application is based on and claims priority under 35 U.S.C. § 119(a) to Korean Patent Application No. 10-2017-0115402 filed on Sep. 8, 2017 in the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference in its entirety.BACKGROUND1. Field[0002]Various embodiments of the present disclosure relate to an apparatus and a method for transmitting and receiving data in a wireless communication system, and more particularly, to an apparatus and a method for transmitting and receiving data in a wireless communication system having a plurality of uplinks.2. Description of the Related Art[0003]To meet the demand for wireless data traffic having increased since deployment of fourth generation (4G) communication systems, efforts have been made to develop an improved fifth generation (5G) or pre-5G communication system. Therefore, the 5G or pre-5G communication system is also called a ‘beyond 4G network’ or a...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): H04W72/12H04W74/08H04L5/00H04W4/70H04W84/04H04W74/00H04L5/14
CPCH04W72/1268H04L5/0053H04W72/1289H04W74/0833H04L5/1469H04W4/70H04W74/006H04W84/042H04L5/001H04L5/0094H04W74/002H04W72/23
Inventor YUN, YEOHUNKIM, YONGOKKIM, CHANHONGLIM, JONGBUHONG, SUNGNAMKIM, TAEYOUNG
Owner SAMSUNG ELECTRONICS CO LTD
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